Steven Pinker says violence overall, historically, has been decreasing. I guess he would consider this a blip. It would be interesting to see what happens in the future.

Btw, you might be interested in joining @steemSTEM for your scientific articles (their chat is the best place to introduce yourself), to get more readers and votes, and @SteemDeepThink (see this post) for your more humanities-oriented material like perhaps this one.